20181395 (number)

20181395 is an odd 8-digits composite number following 20181394 and preceding 20181396. In scientific notation, it is written as 2.0181395 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors. There are 14689920 positive integers (up to 20181395) that are relatively prime to 20181395.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty-one thousand three hundred ninety-five

Notation

Scientific notation 2.0181395 × 10^7
Engineering notation 2.0181395 × 10^6

Prime Factorization of 20181395

Prime Factorization 13 × 5 × 71 × 4373

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20181395
Product of the distinct prime numbers

The prime factorization of 20181395 is 13 × 5 × 71 × 4373. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 3, 11, 1, 157, 952, 8445, 1316, 97455, 51866, 553763, 684309, 1344771, 6672958, 99989626, 14688119, 507152043, 974633149, 4811702384, 4761572574

Basic calculations (n = 20181395)

Multiplication

n×y
n×2 40362790
n×3 60544185
n×4 80725580
n×5 100906975

Division

n÷y
n÷2 10090697.5
n÷3 6727131.6666667
n÷3 5045348.75
n÷5 4036279

Exponentiation

ny
n2 407288704146025
n3 8.2196542174091E+21
n4 1.6588408852495E+29
n5 3.3477723147369E+36

Nth Root

y√n
2√n 4492.3707549578
3√n 272.25992940271
4√n 67.025150167365
5√n 28.906148971598

Divisors of 20181395

1, 5, 13, 65, 71, 355, 923, 4373, 4615, 21865, 56849, 284245, 310483, 1552415, 4036279, 20181395

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20181394
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20181395 can be divided by 16 positive divisors. The sum of these divisors (counting 20181395) is 1, the average is 0.0625.

Base conversion 20181395

Base System Value
2 Binary 1001100111111000110010011
3 Ternary 1101222022200002
4 Quaternary 1030333012103
5 Quinary 20131301040
6 Senary 2000320215
8 Octal 114770623
10 Decimal 20181395
12 Duodecimal 691306b
16 Hexadecimal 133f193
20 Vigesimal 662d9f
36 Base36 c0k2b

Cryptographic Hash Functions

md5 91834a6f44080ce2803e12bb962f07e7
sha1 d6601c8d30338eaf75b865f4282701ccdeb24cdf
sha256 73c17942a95da1beff8ec52d2d10d8cb4deb493327e3c07936686ad82dcae2de
sha512 c3cec26c4090c9bc68cc17adcbd8990a17d58805d44b8c9b8641cd9d22198b789b090adf28497d7e933374aedd79f6ca1be74d055dccbe28574265bf8e2d3a5a
ripemd-160 085c77771ee456eb3350a42187ed5db2bf70cb78

20181395 as geometric shapes

Circle

Radius = n
Diameter 40362790
Circumference 126803444.54239
Area 1.2795352008353E+15

Sphere

Radius = n
Volume 3.4430407072614E+22
Surface area 5.118140803341E+15
Circumference 126803444.54239

Square

Length = n
Perimeter 80725580
Area 407288704146025
Diagonal 28540802.516609

Cube

Length = n
Surface area 2443732224876150
Volume 8.2196542174091E+21
Space diagonal 34955201.507616

Equilateral Triangle

Length = n
Perimeter 60544185
Area 1.7636118223245E+14
Altitude 17477600.753808

Triangular Pyramid

Length = n
Surface area 1.7636118223245E+14
Volume 9.6869553935643E+20
Height 9513600.8388695